How many chromosomes can a gamete possess as a result of nondisjunction?
A)n + 1 or n - 1
B)2n + 1 or 2n - 1
C)2n - 1 only
D)2n + 1 or n - 1

Question

Quizplus · Accepted Answer

Nondisjunction can result in a gamete receiving either an extra chromosome (n + 1) or lacking a chromosome (n - 1), but it cannot result in a gamete having twice the normal number of chromosomes (2n) as it involves a failure of chromosome separation during meiosis I or II.

How Many Chromosomes Can a Gamete Possess as a Result